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Horacio J. Ruiz Moreno

Work +54 811) 4590 - 8714
Mitrani Caballero & Ruiz Moreno Abogados

Work Department

Antitrust and Competition / Energy and Natural Resources / Insolvency and Restructuring / Litigation, Arbitration and Dispute Resolution / Public Law and Business Regulation / Family Businesses and Private Clients


Partner. Horacio J. Ruiz Moreno is an expert in administrative law, public services regulation, oil & gas, arbitration and mediation, corporate and construction law.


Mr. Ruiz Moreno leads the Administrative Law and Business Regulation practice at Mitrani Caballero Ojam & Ruiz Moreno. Previously he was a partner at Rosso Alba, Francia & Ruiz Moreno. He was also a partner at Hope, Duggan & Silva (1992-2005); an in-house advisor to the Techint Organization (1990-1992); a partner at Fornieles & Del Carril (1986-1990); a New York-based associate with Fox, Glynn & Melamed (1982-1983) and an associate with Basílico, Fernández Madero & Duggan (1980-1985).

Mr. Ruiz Moreno has been a deputy professor of Administrative Law at the School of Law of the Universidad de Buenos Aires and a regular speaker in conferences on regulatory and corporate law matters.

He is the author of many articles appearing in specialized domestic and international publications, including Global Utilities Finance, La Ley and Jurisprudencia Argentina, among others. He was admitted in Buenos Aires in 1979.


Spanish, English and German


New York University, USA, School of Law (LL.M., 1982)

Universidad de Buenos Aires, School of Law (Abogado, 1979)


Public law

Within: Public law

Mitrani Caballero & Ruiz Moreno Abogados’ group, which is led by the ‘pragmatic and experiencedHoracio Ruiz Moreno, is commended for its ‘great business mindset’ and ‘timely responses’. The team garners a significant volume of energy and natural resources-related work and is highlighted for its ‘strong knowledge of Argentine renewable energy regulations’; it is also well versed in infrastructure and life sciences matters. Highlights included advising Isla Power on its participation in the RenovAr 2 bidding round.

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Argentina: Energy and natural resources


Within: Electricity

The ‘responsive and business-oriented’ group at Mitrani Caballero & Ruiz Moreno Abogados is commended for its ‘strong knowledge of Argentine renewable energy regulation’. In particular, key contact Horacio Ruiz Moreno is lauded for his ‘strong ability to distinguish between material and non-material issues’. Highlights included advising Soenergy on the negotiation of a $190m power purchase agreement with CAMMESA (Wholesale Electricity Market Administration Company) relating to the construction of two power plants.

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